• ION GNSS 2015+

    Tampa Convention Centre, Tampa, USA

    14-18 September 2015

    ION GNSS+ is the world's largest technical meeting and showcase of GNSS technology, products and services.  This year's conference will bring together international leaders in GNSS and…

  • Security & Counter Terror Expo 2016

    Olympia, London

    19-20 April 2016

    Chronis is exhibiting on Stand E26

    more information»

  • Modernising Justice Through Technology Innovation & Efficiency

    QELII Westminster

    London - 21 June 2016

    The Modernising Justice Through Technology conference is a crucial meeting place for all those involved in the introduction and implementation of a digital business model for the Criminal Justice System.…

Planned GPS Jamming Exercises


    There are currently no planned GPS Jamming exercises for the foreseable future.

    For further information please contact


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    Antcom Corporation

    Antcom designs, develops and manufactures the broadest range of precision-engineered positioning, navigation, timing and communications antennas for precision-agriculture, aviation, military, marine, survey and telecom applications.

    • Single and multi-band GPS, GLOBNASS, Galileo, BeiDou QZSS (GNSS) antennas and WAAS, EGNOS, MSAS, IRNSS (SBAS) antennas in the L1, L1/L2, L1/L2/L5 and…
  • CAST Navigation

    CAST Navigation

    CAST Navigation, a leading provider of GPS simulators, supports navigation system research, development, integration and testing at commercial and military laboratories worldwide. We develop cutting-edge GNSS/INS simulation systems with our staff of PhDs who provide our customers with the latest technology and most knowledgeable support.

  • Citel

    Citel Protection

    Established in 1936, Citel are one of the largest worldwide manufacturers of surge arrester gas discharge tubes. With three Manufacturing Plants in France, Holland and China, plus sales offices in - France, USA(Miami), Germany, Holland, and England.

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    CTS Corporation

    CTS Corporation (NYSE: CTS), founded in 1896, is a global leader in the design and manufacture of a diverse array of electronic components, sensors and actuators, and a provider of electronic manufacturing services (EMS) for the automotive, communications, medical, industrial, defence and aerospace and computer markets.

  • GPS Networking

    GPS Networking Inc

    GPS Networking, Inc. has developed a line of GPS accessories to make setting up GPS within a building as easy as possible. There is an entire range of products for networking the GPS L1 & L2 carrier signals throughout a facility.

  • GPS Source

    GPS Source

    GPS Source offers a full line of GPS Signal Distribution Products, Retransmission Products and Design Service for GPS/GNSS Infrastructure and design and manufacture GPS antennas (active and passive), GPS amplifiers (including low noise, high isolation), GPS attenuators, GPS rack mounts, GPS Filters, GPS Antenna Splitters (power dividers), Coax Cables (including customized connectors) and…

  • GuideTech


    GuideTech is a leading innovator in Precision Time and Frequency Measurement Instruments delivering "TIA" and "CTIA" Continuous Time Interval Analyzer and high-precision frequency counter instruments with superior performance at over a thousand ATE installations worldwide.

    Established in 1988, GuideTech's high performance Computer-based Time & Frequency Instruments, GT210 "TIC" and…

  • ifEN GmbH

    ifEN GmbH

    IFEN is a leading provider of GNSS navigation products and services. IFEN’s complete portfolio of leading edge GNSS testing products includes GNSS RF signal generators, software receivers, test ranges, simulation and data processing tools. The NavX-NCS is the most flexible and capable RF signal generator for GNSS constellations on the market. The SX-NSR is a multi-frequency real-time…

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    LabSat from Racelogic

    Racelogic develop and manufacture electronic systems to measure, record, display, analyse and simulate data from moving vehicles. Its LabSat GPS and GLONASS Simulator gives the ability to record and replay real GNSS RF data as well as user generated scenarios.

  • Microsemi


    As a worldwide leader in precise time and frequency products and services, Microsemi provides "Perfect Timing" to customers around the world. Since 1985, the company's solutions have helped define the world's time and frequency standards, delivering precision, reliability and efficiency to wireline and wireless networks, instrumentation and testing applications and network time…

  • ppm

    PPM (Pulse Power & Measurement) Ltd

    PPM, founded in 1994, has developed its world beating analogue fibre optic link technology into a range of products serving a diverse range of markets including Communications, Test & Measurement, Instrumentation and Military equipment.

    In the European marketplace PPM also provides a sales and distribution channel to its partners for a wide range of specialist RF and Power Conversion…

  • San Jose

    San Jose Technology, Inc

    A GPS (Global Positioning System) hardware and turnkey solution manufacturer specializing in mobile and marine GPS receivers/antennas. Located in Taiwan, we commenced operations in 1990 with our telecommunications technology. Later in 1995, in cooperation with prominent GPS companies in USA & Japan, we started our technical interflow & research on GPS technologies. As a result of our…

  • Septentrio

    Septentrio Satellite Navigation NV

    Septentrio Satellite Navigation NV, designs, manufactures, markets and supports high-end dual-frequency GNSS receivers with the best possible performance at a very competitive price. Targeted at original equipment manufacturers (OEMs), Septentrio’s core technology is being applied in precise positioning, timing and attitude determination applications.

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    UrsaNav is a diversified technology company focused on delivering innovative engineering, information technology (IT), and associated professional services and solutions.  From North America and Asia to Europe and beyond, UrsaNav has supported government and commercial customers with its unique capabilities.


GPS World News

eLoran News

  • 10 January 2014

    Chronos launches eLoran GPS UTC Timing Receiver

    Enabling continuous simultaneous real-time evaluation and analysis of UTC as derived from both the GPS constellation of satellites and selected eLoran stations Lydbrook, Gloucestershire, UK, 10 January 2014 Chronos is pleased to announce the CTL8200 eLoran… read more...
  • 01 November 2013

    UrsaNav Accepts Delivery of First Production Nautel NL40 eLoran Transmitter

    Bedford, Massachusetts, USA. After extensive Final Acceptance Testing at Nautel’s Hackett’s Cove, NS facility, UrsaNav has accepted delivery of the first production NL40 Loran-C and Enhanced Loran (eLoran) transmitter. This seventh generation Loran… read more...
  • 31 January 2013

    Chronos welcomes eLoran announcement

    eLoran system availability in the UK and Ireland Lydbrook, Gloucestershire 31 January 2013 – Chronos Technology welcomes the recent announcement by The General Lighthouse Authorities of the UK and Ireland (GLA) regarding the availability of the Enhanced Loran… read more...
  • 08 January 2013

    UK switches on GPS backup in the English Channel

    The General Lighthouse Authorities of the UK and Ireland (GLA) have announced that ships in the Port of Dover, its approaches and part of the Dover Strait can now use eLoran radio navigation technology as a backup to satnav systems like GPS and Galileo. The… read more...
  • 01 August 2011

    eLoran Monitoring at Dungeness to cover Dover Straits

    R&RNAV have installed a prototype eLORAN reference receiver at Dungeness Lighthouse. In time this may enable the site to act as a Differential-eLoran reference station covering the Dover Straits and parts of the English Channel. The GLAs Differential GPS… read more...
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    20 July 2011

    R&RNAV make UTC measurements for eLoran at NPL

    As part of the Sentinel project, R&RNAV visited the National Physical Laboratory in Teddington on 20th July to make UTC-alignment calibration measurements for the eLoran receiver used in the project. The transmissions of all eLoran stations are kept… read more...
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    10 March 2011

    GPS vulnerabilities and the benefits of eLoran

    A response to the statement by Professor Martyn Thomas at the 2011 GNSS Interference, Detection and Monitoring Conference on Thursday 10 March. The General Lighthouse Authorities of the UK and Ireland (GLAs) fully support the findings of the Royal Academy of… read more...
  • 09 February 2011

    Coast Guard terminates LORAN-C broadcast

    9 February 2010 Coast Guard terminates LORAN-C broadcast - The show continued on despite record snowfall in the Washington, D.C., area over the weekend. Monday, 8th February 2010 at 3 p.m., the Coast Guard Navigation Center in Alexandria, Va., coordinated the… read more...
  • CNN Tech
    08 February 2010

    U.S. Coast Guard shuts down Loran-C

    8 February 2010 In a series of small ceremonies, the U.S. Coast Guard on Monday shut down Loran-C, a navigation and timing system that has guided mariners and aviators since World War II. more» read more...
  • GPS World
    21 April 2009

    Two leading Senate committees publicly back the eLoran system

    21st April 2009 Two leading Senate committees publicly back the eLoran system and question the U.S. President's latest budget proposal. The FY 2010 Concurrent Budget Resolution releases views from the U.S. Senate Committee on Commerce, Science and… read more...
  • Loran Lines Newsletter
    01 April 2009

    Newsletter of the International Loran Association

    April 2009 Newsletter of the International Loran Association. more» read more...
  • Technology Strategy Board
    17 March 2009

    Radionavigation is a global business

    17th March 2009 Radionavigation is a global business with a global footprint and the U.S. Global Positioning System (GPS) has been the jewel in the crown for nearly a generation. The U.S. has established such a level of trust in its operation of GPS that… read more...
  • IDA
    09 January 2009

    IAT Report on eLoran.

    January 2009 Institute for Defense Analyses (IDA) - IAT Report on eLoran. Independent Assessment Team (IAT) Summary of Initial Findings on eLoran. more» read more...
  • Technology Strategy Board
    17 November 2008

    Chronos Technology has received a major grant

    17th November 2008 A business and academic consortium led by Chronos Technology has received a major grant from the government sponsored Technology Strategy Board for a £2.2m research project that will improve the safety and security of location based… read more...

Chronos Times

Chronos Times' are created periodically to bring you up-to-the-minute information and stories from specific areas of our business.

If you would like to view any of our archived Chronos Times Editions, please contact us here detailing the issue you are interested in»

  • 01 August 2014

    Chronos Times - August 2014 (GNSS Edition)

    Save money and time with the installation of a GPS Repeater system in your Hangar.... View the August 2014 GNSS Edition of Chronos Times» read more...
  • 01 August 2014

    Chronos Times - August 2014 (GNSS Edition) #2

    Welcome to the August 2014 edition of GNSS Chronos Times. Chronos is pleased to announce a new partnership with GuideTech to distribute their GT668 range of ultra-fast Continuous Time Interval Analyzer (CTIA) products into the UK, Sweden & Denmark. This… read more...
  • 01 June 2014

    Chronos Times - June 2014 (GNSS Edition)

    Save money and time with the installation of a GPS Repeater system in your Hangar.... View the June 2014 GNSS Edition of Chronos Times» read more...
  • 01 April 2014

    Chronos Times - April 2014 (GNSS Edition)

    Chronos is exhibiting at the forthcoming Counter Terror Expo taking place at London Olympia 29-30 April. Visit our stand J24 to see/discuss GPS jamming detection and geolocation products and systems including CTL3520 handheld detection and geolocation… read more...
  • 01 December 2013

    Chronos Times - December 2013 (GNSS)

    Season's greetings to all our customers, and welcome to the December edition of GNSS Chronos Times. This month we are pleased to launch the Chronos CTL8200, a combination eLoran and GPS Timing Receiver which enables users to undertake continuous simultaneous… read more...
  • 01 August 2013

    Chronos Times - August 2013 (GNSS Edition)

    Welcome to the August edition of the Chronos GNSS webmail. GPS supports many critical infrastructures including defence, policing, security, transport and marine and is susceptible to outages due to intentional and unintentional jamming. Intentional jamming… read more...